Linvala, Keeper of Silence, Yavimaya, Cradle of Growth, and Life and Limb

Prerequisites

• Linvala, Keeper of Silence on the battlefield
• Yavimaya, Cradle of Growth on the battlefield
• Life and Limb on the battlefield

Steps

1. Life and Limb and Yavimaya cause all lands to be 1/1 Saproling creatures that are also Forests in addition to their other types
2. Because Linvala prevents your opponents from activating abilities of creatures they control, your opponents cannot activate abilities of lands or creatures they control

Results

• Opponents cannot activate abilities of lands or creatures they control